/* Copyright (c) 2009, Enric Rodriguez (enrodri86@gmail.com)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 	- Redistributions of source code must retain the above copyright
 * 	notice,	this list of conditions and the following disclaimer.
 * 	- Redistributions in binary form must reproduce the above copyright
 * 	notice, this list of conditions and the following disclaimer in the
 * 	documentation and/or other materials provided with the distribution.
 * 	- Neither the name of the <ORGANIZATION> nor the names of its
 * 	contributors may be used to endorse or promote products derived from
 * 	this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package es.enrodri86.mmo.auth.client;

import java.io.IOException;

import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.FloatControl;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.SourceDataLine;

public class AudioPlay extends Thread {

	private AudioInputStream audioInputStream;

	private Position curPosition;

	private final int EXTERNAL_BUFFER_SIZE = 524288; // 128Kb

	enum Position {
		LEFT, RIGHT, NORMAL
	};

	public AudioPlay(AudioInputStream ais){
		audioInputStream = ais;
	}


	@Override
	public void run() {
		try {
			audioInputStream.reset();
		} catch (IOException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		AudioFormat format = audioInputStream.getFormat();
		SourceDataLine auline = null;
		DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);

		try {
			auline = (SourceDataLine) AudioSystem.getLine(info);
			auline.open(format);
		} catch (LineUnavailableException e) {
			e.printStackTrace();
			return;
		} catch (Exception e) {
			e.printStackTrace();
			return;
		}

		if (auline.isControlSupported(FloatControl.Type.PAN)) {
			FloatControl pan = (FloatControl) auline
					.getControl(FloatControl.Type.PAN);
			if (curPosition == Position.RIGHT)
				pan.setValue(1.0f);
			else if (curPosition == Position.LEFT)
				pan.setValue(-1.0f);
		}

		auline.start();
		int nBytesRead = 0;
		byte[] abData = new byte[EXTERNAL_BUFFER_SIZE];

		try {
			while (nBytesRead != -1) {
				nBytesRead = audioInputStream.read(abData, 0, abData.length);
				if (nBytesRead >= 0)
					auline.write(abData, 0, nBytesRead);
			}
		} catch (IOException e) {
			e.printStackTrace();
			return;
		} finally {
			auline.drain();
			auline.close();
		}

	}
}
